脊せき椎つい湾わん曲きょくMeaningsNoun1. spine curvatureKanji used脊backbone椎part of the spine湾gulf曲curvedPitch accentせきついわんきょくComposed of脊せき椎ついspine; vertebral column; spinal column; backbone; vertebraNoun湾わん曲きょくcurve; bend; crookNoun